3GP and WAV explained
3GP is a cut-down MP4 variant designed for the bandwidth and storage limits of early mobile phones. Resolution and bitrate are typically very low.
WAV stores uncompressed PCM audio — the raw samples, exactly as captured. A stereo CD-quality minute is roughly 10 MB, which is the price of having no compression whatsoever.
- Where 3GP files come from
- Videos recorded on feature phones and early smartphones.
- Where WAV is used
- Recording sessions, sample libraries and audio editing.